.professorTeachingPagePanel { margin: 10px 0px 0px 10px; }
.professorTeachingCategoriesPanel { margin: 15px 0px 0px 0px; }
.professorTeachingAddSujet { margin: 17px 0px 20px 15px; }
.professorTeachingBackgroundWhite { margin: 15px 0px; }
.professorTeachingBackgroundBlue {
  padding: 11px 0px;
  background-color: #92C8E4;
}